OpenTechnical

OT-2026-000086857

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086857) never changes.

Identity and time

Publication numberOT-2026-000086857 · never reused
Internal UUID01a0ae9a-80a4-77e9-93b9-4ac77c0909d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086857
StatusPUBLIC

Content hashes

Canonical text2d80d610d185acceb23466fff378722ce8d31c16d4536bb06c7ffac004a85911
Markdownfc6bd5be83969694257d2ac0743a2382295b0700bb05a1457801f061da76f850
PDF
Publication pagee2f89412e5a1c94d92680e6bcb1e752d05b568af717da51bdf9c3239ef71c9a3
Manifest10b210ee96839db377cb34ce956bc92873f20caafd2b64968313780b8fec1552

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturermnBxzfRyfX+mXS3Wujpgf6WBeXgzvmeA73WJqEuCHt9YEndG1e+V2b9wkYe0qDWzg5/uWWB4s3RXwZ7eOIoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-27T12:41:46.820917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857
observed e2f89412e5a1c94d92680e6bcb1e752d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:46.737744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857/manifest.json
observed 10b210ee96839db377cb34ce956bc928...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:46.661252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857/publication.md
observed fc6bd5be83969694257d2ac0743a2382...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:46.483677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857/publication.txt
observed 2d80d610d185acceb23466fff378722c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.591691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857
observed e2f89412e5a1c94d92680e6bcb1e752d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.571542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857/manifest.json
observed 10b210ee96839db377cb34ce956bc928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.553497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857/publication.md
observed fc6bd5be83969694257d2ac0743a2382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:41.534760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086857/publication.txt
observed 2d80d610d185acceb23466fff378722c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent